Bottle-closure



No. 793,566. I PATENTED JUNE 27, 1905.. H. GOALE & L. s. GREENSFELDBR.

BOTTLE CLOSURE,

APPLICATION FILED JULY 30. 1904.

UNITED STATES Patented June 27, 1905.

PATENT OFFICE.

BOTTLE-CLOSURE.

SPECIFICATION forming part of Letters Patent No. 793,566, dated June 27, 1905.

Application filed July 30, 1904. Serial No. 218,884.

['0 (M6 whom it may concern.-

Be it known that we, HARVEY (JoALE and LEWIS S. GREENSFELDER, citizens of the United States, residing at No. 1511 Guilford avenue, Baltimore, Maryland, have invented certain new and useful Improvements in Bottle-Closu res, of which the following is a speci-,

fication.

Our invention relates to that class of bottlesealing devices in which a metallic cap is used in connection with a shouldered bottle-neck and an interposed packing between the cap and the bottle. It is applicable to a bottle of the formused with the sealing device known commercially as the crown.

It consists of a special form of cap and packing combined together and applicable to the bottle, all as hereinafter described.

It is illustrated in the accompanying drawings, in which Figure 1 represents a central vertical section of the head of the bottle and a like section of the cap in place upon the bottle and in the form in which it is made ready for use that is, before compression. Fig. 2 is a like section of the same parts after the cap has been compressed and sealed upon the bottle. Fig. 3 is a plan View of the cap, showing its circular form. Fig. 4 is a side elevation of the form shown in Fig. 1; and Fig. 5 is aside elevation of the form shown in Fig. 2, with the representation of the ordinary crown bottle-opener in place ready for removing the cap.

In the drawings, A represents the bottlehead, which is provided with an annular shoulder 1, such as that in the aforesaid crownbottles well known to the trade. The cap B is formed of sheet metal, such as the ordinary tin of commerce, aluminium, or of any suitable material in the shape shown in Figs. 1 and 3. It is made to it over the mouth of the bottle snugly, but of such relative dimensions that it may be readily placed thereon. It has a depending flange 2, in which is an annular channel opening inwardly and opposite the inclined shoulder 1. Within this channel is placed a gasket 3, of rubber or suitable material, which when the cap is in place completcly encircles the head of the bottle in line with the aforesaid shoulder, as shown in Fig. 1. As also shown in that figu re, the channel 1s included in a corresponding substantially horizontal bead formed'on the depending flange. When the cap is in place, as shown in Fig. 1, it is necessary in order to form the seal only to force the bead downwardly and inwardly. This may be done by a hollow cone of suitable dimensions, such as that used in putting on the caps of the crown-cork. This bends the bead downward, as shown in Fig. 2, and

causes it to swing inward, thus forcing the packing 3 into contact with the shoulder upon the bottle-head, and thereby holding it in firm.

contact. The metal of the cap, while capable of being thus bent, has suflicient rigidity to hold the cap in place and the packing in contact, thus effectually sealing the bottle against any ordinary resistance caused by internal pressure. Thecap may or may not have the flange extension 4 depending below the bead; but the channel serves to hold the annular packing in place, so that the cap may be put up complete with its packing and may be shipped in that form ready to apply to the bottle.

If the metal of the cap be of a character liable to corrode by contact with the contents of the bottle or to contaminate such contents, it may be coated or covered internally in any suitable way. After the head of the cap has been bent down in the act of sealing, it still projects suflicientl y to form a shoulder against which the edge 5 of the removing instrument C may bear for the purpose of removing the cap as crown-caps are ordinarily removed.

We claim 1. A bottle-seal consisting of a sheet-metal cap having a depending flange and adapted to fit over the mouth of a bottle which is formed with an exterior annular shoulder, said flange being provided with a channeled bead and packing confined therein both before and after application to the bottle by both the upper and lower walls of the bead, said head with the packing being pressed and deformed beneath the shoulder of the bottle in a direction transverse to the axis thereof.

2. In combination with a bottle having an annular shoulder, a sealing-cap having a depending flange formed with an exterior bead and interior channel. arranged when the cap is in place, to be below the plane of said shoulder, a packing in said channel, said bead.

said flange being provided with a channeled bead, and packing confined by both the upper and lower Walls of the bead, said packing being located wholly below the shoulder, and said head with the packing being pressed and deformed inwardly against the bottle, substantially as described.

In testimony whereof we aflix our signatures 2 in presence of two witnesses.

HARVEY COALE. LEl/WIS S. GREENSFELDER. Witnesses:

HOWARD D. ADAMS, HARRY N. ABERoRoMBIE. 

